code: def test_mujoco_incompatible_v3_to_v2(env_name: str):
      """Checks that the v3 environment are slightly different from v2, (v3 has additional info keys that v2 does not)."""
      with pytest.raises(KeyError):
          verify_environments_match(f"{env_name}-v3", f"{env_name}-v2")
  
file_path: gym/tests/envs/test_mujoco.py
imports: import numpy
  import pytest
  import gym
  from gym import envs
  from gym.envs.registration import EnvSpec
  from tests.envs.utils import mujoco_testing_env_specs
label_desc: Use image node_id 4 for calling a global function with example usage: test_mujoco_incompatible_v3_to_v2(env_name) without return types